Jack McFarland is a fictional character from the television series Will & Grace. He is portrayed by actor Sean Hayes and is known for his flamboyant personality and comedic antics. Jack is a close friend of the main character, Will Truman, and often provides comic relief throughout the show. In the series, Jack is characterized by his love for the performing arts, particularly musical theater. He is openly gay and often navigates various relationships and social situations with humor and charm. His character has become iconic for representing LGBTQ+ individuals in a light-hearted and relatable manner.